Metal polishing machine



1.1 is a perspective view of the metal polishing machine;

1.2 is a front view of the metal polishing machine of 1.1 ;

1.3 is a side view of the metal polishing machine of 1.1 ; and

1.4 is a top view of the metal polishing machine of 1.1

CLAIM The ornamental design for a metal polishing machine, as shown anddescribed.